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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	static Iterable<Integer> range(final int from, final int to) {
  11. 		return new Iterable<Integer>() {
  12. 			public Iterator<Integer> iterator() {
  13. 				return new Iterator<Integer>() {
  14. 					int current = from;
  15. 					public boolean hasNext() { return current < to; }
  16.                     public Integer next() {
  17.                     	if (!hasNext()) { throw new NoSuchElementException(); }
  18.                     	return current++;
  19.                     }
  20.                     public void remove() {}
  21. 				};
  22. 			}
  23. 		};
  24. 	}
  25. 	public static void main (String[] args) throws java.lang.Exception
  26. 	{
  27. 		for (Integer n : range(10, 20)) {
  28. 			System.out.println(n);
  29. 		}
  30. 	}
  31. }
Success #stdin #stdout 0.11s 320576KB
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Standard input is empty
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https://ideone.com/zCjr5Z
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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